fix mypy errors

formatter.nix

@@ -5,11 +5,17 @@
   imports = [
     inputs.treefmt-nix.flakeModule
   ];
-  perSystem = { pkgs, ... }: {
+  perSystem = { self', pkgs, ... }: {
     treefmt.projectRootFile = "flake.nix";
     treefmt.flakeCheck = true;
     treefmt.flakeFormatter = true;
     treefmt.programs.shellcheck.enable = true;
+
+    treefmt.programs.mypy.enable = true;
+    treefmt.programs.mypy.directories = {
+      "pkgs/clan-cli".extraPythonPackages = self'.packages.clan-cli.testDependencies;
+    };
+
     treefmt.settings.formatter.nix = {
       command = "sh";
       options = [
@@ -38,4 +44,3 @@
     };
   };
 }
-

pkgs/clan-cli/clan_cli/__init__.py

@@ -1,22 +1,18 @@
 import argparse
 import sys
+from types import ModuleType
+from typing import Optional
 
-from . import admin, secrets, update
+from . import admin, config, secrets, update
 from .errors import ClanError
 from .ssh import cli as ssh_cli
 
-argcomplete = None
+argcomplete: Optional[ModuleType] = None
 try:
-    import argcomplete
+    import argcomplete  # type: ignore[no-redef]
 except ImportError:
     pass
 
-config = None
-try:
-    from . import config
-except ImportError:  # jsonschema not installed
-    pass
-
 
 # this will be the entrypoint under /bin/clan (see pyproject.toml config)
 def main() -> None:
@@ -26,9 +22,8 @@ def main() -> None:
     parser_admin = subparsers.add_parser("admin", help="administrate a clan")
     admin.register_parser(parser_admin)
 
-    if config:
-        parser_config = subparsers.add_parser("config", help="set nixos configuration")
-        config.register_parser(parser_config)
+    parser_config = subparsers.add_parser("config", help="set nixos configuration")
+    config.register_parser(parser_config)
 
     parser_ssh = subparsers.add_parser("ssh", help="ssh to a remote machine")
     ssh_cli.register_parser(parser_ssh)

pkgs/clan-cli/default.nix

@@ -3,7 +3,6 @@
 , black
 , bubblewrap
 , installShellFiles
-, mypy
 , nix
 , openssh
 , pytest
@@ -31,7 +30,6 @@ let
     pytest
     pytest-cov
     pytest-subprocess
-    mypy
     openssh
     stdenv.cc
   ];
@@ -60,27 +58,17 @@ python3.pkgs.buildPythonPackage {
   ];
   propagatedBuildInputs = dependencies;
 
-  passthru.tests = {
-    clan-mypy = runCommand "clan-mypy" { } ''
-      export CLAN_OPTIONS_FILE="${CLAN_OPTIONS_FILE}"
-      cp -r ${source} ./src
-      chmod +w -R ./src
-      cd ./src
-      ${checkPython}/bin/mypy .
-      touch $out
-    '';
-    clan-pytest = runCommand "clan-tests"
-      {
-        nativeBuildInputs = [ age zerotierone bubblewrap sops nix openssh rsync stdenv.cc ];
-      } ''
-      export CLAN_OPTIONS_FILE="${CLAN_OPTIONS_FILE}"
-      cp -r ${source} ./src
-      chmod +w -R ./src
-      cd ./src
-      NIX_STATE_DIR=$TMPDIR/nix ${checkPython}/bin/python -m pytest -s ./tests
-      touch $out
-    '';
-  };
+  passthru.tests.clan-pytest = runCommand "clan-tests"
+    {
+      nativeBuildInputs = [ age zerotierone bubblewrap sops nix openssh rsync stdenv.cc ];
+    } ''
+    export CLAN_OPTIONS_FILE="${CLAN_OPTIONS_FILE}"
+    cp -r ${source} ./src
+    chmod +w -R ./src
+    cd ./src
+    NIX_STATE_DIR=$TMPDIR/nix ${checkPython}/bin/python -m pytest -s ./tests
+    touch $out
+  '';
 
   passthru.devDependencies = [
     ruff
@@ -89,6 +77,8 @@ python3.pkgs.buildPythonPackage {
     wheel
   ] ++ testDependencies;
 
+  passthru.testDependencies = testDependencies;
+
   makeWrapperArgs = [
     "--set CLAN_FLAKE ${self}"
   ];